import * as ort from "onnxruntime-node";
import { OnnxRuntimeModuleOptions } from "./onnx-runtime.config";
import { ModelManagerService } from "../model-manager/model-manager.service";
/**
 * ONNX Runtime service for session configuration and access.
 *
 * This service now delegates to ModelManagerService for model loading.
 * It maintains backward compatibility by providing session access methods.
 *
 * The service uses OnApplicationBootstrap instead of OnModuleInit to ensure
 * @huggingface/transformers services (which use OnModuleInit) load their models first,
 * avoiding potential conflicts with the shared native ONNX Runtime.
 */
export declare class OnnxRuntimeService {
    private readonly modelManager;
    private readonly logger;
    private readonly sessionOptions;
    private readonly options;
    constructor(options: OnnxRuntimeModuleOptions, modelManager: ModelManagerService);
    /**
     * Configure the ONNX Runtime global environment.
     * Called once during service construction.
     */
    private configureRuntime;
    /**
     * Build session options from configuration.
     * Note: These options are no longer used directly for loading
     * (ModelManagerService handles that), but kept for backward compatibility.
     */
    private buildSessionOptions;
    /**
     * Get a loaded session by name.
     * Delegates to ModelManagerService.
     *
     * @param name - The model name as configured in models.config.yaml
     * @returns The InferenceSession, or null if not loaded
     */
    getSession(name: string): ort.InferenceSession | null;
    /**
     * Check if a model is loaded and ready.
     * Delegates to ModelManagerService.
     *
     * @param name - The model name
     * @returns true if the model is loaded
     */
    isModelLoaded(name: string): boolean;
    /**
     * Wait for all models to be loaded.
     * Services that depend on ONNX models should call this before accessing them.
     */
    waitForReady(): Promise<void>;
    /**
     * Get all loaded ONNX model names.
     * Delegates to ModelManagerService.
     */
    getLoadedModels(): string[];
}
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